HAO USGI Colt M4A1 Gen I/II Set for Systema PTW Update

Looks like HAO’s pony receiver sets are stamped and ready for the next stage of 5-axis CNC milling, prior to the serial being applied and then ano:

Pre-orders for this set have been massive, apparently, with a subset of blank receiver orders far greater than HAO estimated.

Sadly the blank sets are no longer available for purchase, as these were offered prior to the balance of the receivers being stamped. But I look forward to seeing some truly inspired, custom builds based on the blank lowers.